Unknown & Unclassified nonprofits in Wisconsin

Unknown & Unclassified nonprofits in Wisconsin. Browse 13,737 public nonprofit profiles. Review organization identities, available filing years, and their complete CharitySense profiles.

Location refers to headquarters recorded in public sources, not an organization’s service area. Classification describes its reported category and does not assess its effectiveness.

Nonprofit profiles

  1. 0249 Paul G Johnson Inc

    EIN 396075374 · Headquarters: Frederic, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. 050 Wolf River Chapter of Trout Unlimited

    EIN 237184513 · Headquarters: FREMONT, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. 078 Southeastern Wisconsin Chapter of Trout Unlimited

    EIN 383785438 · Headquarters: BROOKFIELD, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. 117 Central Wisconsin Chapter of Trout Unlimited

    EIN 237184511 · Headquarters: OSHKOSH, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. 1490107 Elmbrook National Ll

    EIN 391660749 · Headquarters: ELM GROVE, WI, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  6. 1501059 West Bend Wi Lighthouse Aglow International

    EIN 931041089 · Headquarters: West Bend, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  7. 18 for Honor

    EIN 471251173 · Headquarters: La Crosse, WI, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  8. 193 Fox Valley Chapter of Trout Unlimited

    EIN 237355257 · Headquarters: APPLETON, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. 1960-Ohs-class Reunion

    EIN 411822525 · Headquarters: Oshkosh, WI, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  10. 1982 Dept of Wisconsin United Vietnam Veterans Corporation

    EIN 391424278 · Headquarters: HARTFORD, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. 1986 West Milwaukee High School Reunion Committee

    EIN 800711733 · Headquarters: West Allis, WI, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  12. 2-3 Mathematics Inc

    EIN 923416817 · Headquarters: Hartland, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  13. 2010 USA -Canada Lions Leadership Forum Host Committee

    EIN 061836651 · Headquarters: Fond Du Lac, WI, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  14. 2026 Fondy Travel Baseball

    EIN 810960045 · Headquarters: Fond du Lac, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  15. 2029 Fondy Travel Baseball

    EIN 833040000 · Headquarters: Fond du Lac, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  16. 2030 Fondy Travel Baseball

    EIN 844223815 · Headquarters: Fond du Lac, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  17. 206 Club Inc

    EIN 391623872 · Headquarters: Menasha, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. 255 Wisconsin Clear Waters Chapter of Trout Unlimited

    EIN 510208686 · Headquarters: EAU CLAIRE, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. 256 Northwoods Chapter of Trout Unlimited

    EIN 521766082 · Headquarters: RHINELANDER, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  20. 278 Coulee Region Chapter of Trout Unlimited

    EIN 510208665 · Headquarters: VIROQUA, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. 28678005 Royal Toastmasters

    EIN 334227558 · Headquarters: Eau Clare, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. 3 Lakes Rod & Gun Club

    EIN 361868160 · Headquarters: THREE LAKES, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. 3-0 Day Inc

    EIN 391338579 · Headquarters: Wisconsin Rapids, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  24. 30Th Street Industrial Corridor Corp

    EIN 391707616 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. 313 Antigo Chapter of Trout Unlimited

    EIN 742047403 · Headquarters: ANTIGO, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. 32Nd Red Arrow Veteran Association

    EIN 382142335 · Headquarters: Waunakee, WI, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  27. 3700 Greentree Corporation

    EIN 391037453 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. 375 Aldo Leopold Chapter of Trout Unlimited

    EIN 521269888 · Headquarters: PRAIRIER DU SAC, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. 381 Shaw-paca Chapter of Trout Unlimited

    EIN 521269897 · Headquarters: NEW LONDON, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. 385 Oconto River Watershed Chapter of Trout Unlimited

    EIN 521269895 · Headquarters: GILLETT, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. 395 Wisconsin River Valley Chapter of Trout Unlimited

    EIN 521315970 · Headquarters: GLEASON, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. 4 Lakes 4 Wheelers Inc

    EIN 237381198 · Headquarters: Deforest, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. 4 My Kids

    EIN 264715668 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  34. 4-H Clubs & Affiliated 4-H Organization

    EIN 300461660 · Headquarters: Wauwatosa, WI, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  35. 4-H Clubs & Affiliated 4-H Organizations

    EIN 264268842 · Headquarters: Shawano, WI, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  36. 4-H Clubs & Affiliated 4-H Organizations

    EIN 271831041 · Headquarters: Neillsville, WI, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  37. 4-H Clubs & Affiliated 4-H Organizations

    EIN 272501406 · Headquarters: Waukesha, WI, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  38. 4-H Clubs & Affiliated 4-H Organizations

    EIN 300508567 · Headquarters: LANCASTER, WI, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  39. 4-H Clubs & Affiliated 4-H Organizations

    EIN 300555180 · Headquarters: Menomonie, WI, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  40. 4-H Clubs & Affiliated 4-H Organizations

    EIN 300591682 · Headquarters: Manitowoc, WI, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  41. 4-H Clubs & Affiliated 4-H Organizations

    EIN 300591687 · Headquarters: Manitowoc, WI, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  42. 4-H Clubs & Affiliated 4-H Organizations

    EIN 320289091 · Headquarters: Viroqua, WI, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  43. 4-H Clubs & Affiliated 4-H Organizations

    EIN 320290055 · Headquarters: Janesville, WI, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  44. 4-H Clubs & Affiliated 4-H Organizations

    EIN 320334995 · Headquarters: Adams, WI, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  45. 4-H Clubs & Affiliated 4-H Organizations

    EIN 352353052 · Headquarters: Lancaster, WI, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  46. 4-H Clubs & Affiliated 4-H Organizations

    EIN 352381356 · Headquarters: Marinette, WI, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  47. 4-H Clubs & Affiliated 4-H Organizations

    EIN 364639242 · Headquarters: ADAMS, WI, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  48. 4-H Clubs & Affiliated 4-H Organizations

    EIN 371562814 · Headquarters: Rhinelander, WI, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  49. 4-H Clubs & Affiliated 4-H Organizations

    EIN 371604627 · Headquarters: Marinette, WI, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  50. 4-H Clubs & Affiliated 4-H Organizations

    EIN 383810516 · Headquarters: Sparta, WI, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  51. 4-H Clubs & Affiliated 4-H Organizations

    EIN 383821479 · Headquarters: Wautoma, WI, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  52. 4-H Clubs & Affiliated 4-H Organizations

    EIN 562664503 · Headquarters: Wausau, WI, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  53. 4-H Clubs & Affiliated 4-H Organizations

    EIN 611574000 · Headquarters: Sheboygan, WI, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  54. 4-H Clubs & Affiliated 4-H Organizations

    EIN 611615844 · Headquarters: Marinette, WI, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  55. 4-H Forest County Community Club

    EIN 872621762 · Headquarters: Crandon, WI, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  56. 4-H Shooting Sports Dunn County

    EIN 934158310 · Headquarters: Menomonie, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  57. 4000 Foundation Limited

    EIN 391649957 · Headquarters: LA CROSSE, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. 415 Wild Rivers Chapter of Trout Unlimited

    EIN 521315969 · Headquarters: ASHLAND, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. 423 Lakeshore Chapter of Trout Unlimited

    EIN 521315967 · Headquarters: SHEBOYGAN FALLS, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. 49Er Square Dance Club

    EIN 465411771 · Headquarters: WEST ALLIS, WI, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  61. 4C For Children Inc

    EIN 391151791 · Headquarters: Milwaukee, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. 4H Nature Explorers

    EIN 352521608 · Headquarters: Spooner, WI, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  63. 4X4 Forever Ltd

    EIN 391560097 · Headquarters: NEENAH, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. 624 Frank Hornberg Chapter of Trout Unlimited

    EIN 521765968 · Headquarters: PLOVER, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. 6800 Teutonia Corporation

    EIN 391037454 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. 6Th Wisconsin Light Artillery

    EIN 464809086 · Headquarters: COLUMBUS, WI, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  67. 7Ten Corporation

    EIN 392562176 · Headquarters: Stoughton, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  68. 801 West Madison Cycling Team

    EIN 823150135 · Headquarters: Fitchburg, WI, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  69. 88 Drews-bleser Unit

    EIN 352363633 · Headquarters: Manitowoc, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  70. 9To5 Action Fund

    EIN 874654077 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. 9To5 National Association of Working Women Inc

    EIN 341246311 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. 9To5 National Association of Working Women Inc

    EIN 521201710 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  73. A

    EIN 812454878 · Headquarters: Appleton, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. A & E Scarborough Charitable Tr

    EIN 616544506 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  75. A Better Delafield

    EIN 465352261 · Headquarters: Delafield, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  76. A Better Southeast Wisconsin Inc

    EIN 845096077 · Headquarters: RACINE, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  77. A Call to Compassion Inc

    EIN 850831539 · Headquarters: Franklin, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  78. A D Foundation

    EIN 461308447 · Headquarters: PEWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  79. A Keenan Tr Matthew Keenan End Fd

    EIN 396042097 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  80. A O Smith Foundation Inc

    EIN 396076924 · Headquarters: Milwaukee, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  81. A Sturm & Sons Foundation Inc Paul J Sturm

    EIN 396084283 · Headquarters: MANAWA, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  82. A-team Grassroots System Inc

    EIN 823754088 · Headquarters: FORT ATKINSON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  83. Abbot Machine Company Charitable Foundation Inc

    EIN 396125048 · Headquarters: SUSSEX, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  84. Abbotsford Education Association

    EIN 237088274 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. Abbybank Foundation Inc

    EIN 391540288 · Headquarters: ABBOTSFORD, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  86. Abc Foundation Charitable Trust

    EIN 391277461 · Headquarters: GREEN BAY, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  87. Abrams Wild Life Co-operative

    EIN 396075963 · Headquarters: green bay, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Abraxas Press Incorporated

    EIN 391395033 · Headquarters: madison, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  89. Abtk Inc

    EIN 391763109 · Headquarters: FENNIMORE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. Acacia Theatre Company Inc

    EIN 391388831 · Headquarters: MILWAUKEE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. Academic Staff Public Representation Organization Inc

    EIN 391819994 · Headquarters: MADISON, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  92. Academy of Clinical Electrophysiology & Wound Managemen

    EIN 521544067 · Headquarters: LA CROSSE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  93. Academy of Managed Care Pharmacy

    EIN 811361525 · Headquarters: madison, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  94. Academy of Orthopaedic Physical Therapy Apta Inc

    EIN 362957426 · Headquarters: LA CROSSE, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. Academy of Pediatric Physical Therapy Inc

    EIN 581330752 · Headquarters: MIDDLETON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. Accelerate Madison Inc

    EIN 392023865 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  97. Access Community Health Centers

    EIN 391391134 · Headquarters: Madison, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. Act Xii Counseling and Ministries Inc

    EIN 391652856 · Headquarters: SHEBOYGAN, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  99. Active Seniors' Options Inc

    EIN 371267356 · Headquarters: STURGEON BAY, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  100. Actuarial Club

    EIN 465002135 · Headquarters: Eau Claire, WI, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

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